US PATENT SUBCLASS 148 / 262
.~.~.~.~.~ Contains an atom of iron or manganese or a group II metal atom (Be, Ca, Sr, Ba, Zn, Cd, Hg)

Current as of: June, 1999
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148 /   HD   METAL TREATMENT

95  DF  PROCESS OF MODIFYING OR MAINTAINING INTERNAL PHYSICAL STRUCTURE (I.E., MICROSTRUCTURE) OR CHEMICAL PROPERTIES OF METAL, PROCESS OF REACTIVE COATING OF METAL AND PROCESS OF CHEMICAL-HEAT REMOVING (E.G., FLAME-CUTTING, ETC.) OR BURNING OF METAL {17}
240  DF  .~ Processes of coating utilizing a reactive composition which reacts with metal substrate or composition therefore {12}
243  DF  .~.~ Liquid reactive coating composition utilized {16}
253  DF  .~.~.~ Contains phosphorus {6}
261  DF  .~.~.~.~ Contains an atom of arsenic, boron or metal atom other than alkali metal {1}
262.~.~.~.~.~ Contains an atom of iron or manganese or a group II metal atom (Be, Ca, Sr, Ba, Zn, Cd, Hg) {1}
263  DF  .~.~.~.~.~.~> Contains an atom of calcium

DEFINITION

Classification: 148/262

Contains an atom of iron or manganese or a group II metal atom (Be, Ca, Sr, Ba, Zn, Cd, Hg):

(under subclass 261) Subject matter wherein the metal atom is iron or manganese or a group II metal atom (i.e., Be, Mg, Ca, Sr, Ba, Ra, Zn, Cd, Hg).